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</code></pre>
<p>&#x8FD9;&#x662F;&#x56E0;&#x4E3A;&#x5BF9;&#x4E8E;&#x666E;&#x901A;&#x7528;&#x6237;&#x7A0B;&#x5E8F;&#x6765;&#x8BF4;&#xFF0C;&#x4EE3;&#x7801;&#x548C;&#x6570;&#x636E;&#x4E00;&#x822C;&#x653E;&#x5728;&#x4F4E;&#x5730;&#x5740;&#x7A7A;&#x95F4;&#x4E0A;&#x7684;&#x3002;</p>
<p>&#x5BF9;&#x4E8E; OS &#x5185;&#x6838;&#xFF0C;&#x4E00;&#x822C;&#x90FD;&#x5C06;&#x5176;&#x5730;&#x5740;&#x7A7A;&#x95F4;&#x653E;&#x5728;&#x9AD8;&#x5730;&#x5740;&#x4E0A;&#x3002;&#x5E76;&#x4E14;&#x5728; QEMU &#x6A21;&#x62DF;&#x7684; RISC-V &#x4E2D;&#xFF0C;DRAM &#x5185;&#x5B58;&#x7684;&#x7269;&#x7406;&#x5730;&#x5740;&#x662F;&#x4ECE; 0x80000000 &#x5F00;&#x59CB;&#xFF0C;&#x6709; 128MB &#x5927;&#x5C0F;&#xFF08;&#x5982;&#x60F3;&#x8FDB;&#x4E00;&#x6B65;&#x4E86;&#x89E3;&#xFF0C;&#x53EF;&#x53C2;&#x770B; <code>qemu/hw/riscv/virt.c</code> &#x4E2D;&#x7684; <code>VIRT_DRAM</code> &#x7684;&#x8D4B;&#x503C;&#xFF0C;&#x4EE5;&#x53CA;<a href="../../lab-2/guide/part-2.html">&#x5B9E;&#x9A8C;&#x6307;&#x5BFC;&#x4E8C;&#x4E2D;&#x7269;&#x7406;&#x5185;&#x5B58;&#x63A2;&#x6D4B;</a>&#x5C0F;&#x8282;&#xFF09;&#x3002;&#x56E0;&#x6B64;&#x63A5;&#x4E0B;&#x6765;&#x6211;&#x4EEC;&#x9700;&#x8981;&#x8C03;&#x6574;&#x7A0B;&#x5E8F;&#x7684;&#x5185;&#x5B58;&#x5E03;&#x5C40;&#xFF0C;&#x6539;&#x53D8;&#x5B83;&#x7684;&#x94FE;&#x63A5;&#x5730;&#x5740;&#x3002;</p>
<blockquote>
<p><strong>[info] &#x7A0B;&#x5E8F;&#x7684;&#x5185;&#x5B58;&#x5E03;&#x5C40;</strong></p>
<p>&#x4E00;&#x822C;&#x6765;&#x8BF4;&#xFF0C;&#x4E00;&#x4E2A;&#x7A0B;&#x5E8F;&#x6309;&#x7167;&#x529F;&#x80FD;&#x4E0D;&#x540C;&#x4F1A;&#x5206;&#x4E3A;&#x4E0B;&#x9762;&#x8FD9;&#x4E9B;&#x6BB5;&#xFF1A;</p>
<ul>
<li>.text &#x6BB5;&#xFF1A;&#x4EE3;&#x7801;&#x6BB5;&#xFF0C;&#x5B58;&#x653E;&#x6C47;&#x7F16;&#x4EE3;&#x7801;</li>
<li>.rodata &#x6BB5;&#xFF1A;&#x53EA;&#x8BFB;&#x6570;&#x636E;&#x6BB5;&#xFF0C;&#x987E;&#x540D;&#x601D;&#x4E49;&#x91CC;&#x9762;&#x5B58;&#x653E;&#x53EA;&#x8BFB;&#x6570;&#x636E;&#xFF0C;&#x901A;&#x5E38;&#x662F;&#x7A0B;&#x5E8F;&#x4E2D;&#x7684;&#x5E38;&#x91CF;</li>
<li>.data &#x6BB5;&#xFF1A;&#x5B58;&#x653E;&#x88AB;&#x521D;&#x59CB;&#x5316;&#x7684;&#x53EF;&#x8BFB;&#x5199;&#x6570;&#x636E;&#xFF0C;&#x901A;&#x5E38;&#x4FDD;&#x5B58;&#x7A0B;&#x5E8F;&#x4E2D;&#x7684;&#x5168;&#x5C40;&#x53D8;&#x91CF;</li>
<li>.bss &#x6BB5;&#xFF1A;&#x5B58;&#x653E;&#x88AB;&#x521D;&#x59CB;&#x5316;&#x4E3A; 0 &#x7684;&#x53EF;&#x8BFB;&#x5199;&#x6570;&#x636E;&#xFF0C;&#x4E0E; .data &#x6BB5;&#x7684;&#x4E0D;&#x540C;&#x4E4B;&#x5904;&#x5728;&#x4E8E;&#x6211;&#x4EEC;&#x77E5;&#x9053;&#x5B83;&#x8981;&#x88AB;&#x521D;&#x59CB;&#x5316;&#x4E3A; 0&#xFF0C;&#x56E0;&#x6B64;&#x5728;&#x53EF;&#x6267;&#x884C;&#x6587;&#x4EF6;&#x4E2D;&#x53EA;&#x9700;&#x8BB0;&#x5F55;&#x8FD9;&#x4E2A;&#x6BB5;&#x7684;&#x5927;&#x5C0F;&#x4EE5;&#x53CA;&#x6240;&#x5728;&#x4F4D;&#x7F6E;&#x5373;&#x53EF;&#xFF0C;&#x800C;&#x4E0D;&#x7528;&#x8BB0;&#x5F55;&#x91CC;&#x9762;&#x7684;&#x6570;&#x636E;&#xFF0C;&#x4E5F;&#x4E0D;&#x4F1A;&#x5B9E;&#x9645;&#x5360;&#x7528;&#x4E8C;&#x8FDB;&#x5236;&#x6587;&#x4EF6;&#x7684;&#x7A7A;&#x95F4;</li>
<li>Stack&#xFF1A;&#x6808;&#xFF0C;&#x7528;&#x6765;&#x5B58;&#x50A8;&#x7A0B;&#x5E8F;&#x8FD0;&#x884C;&#x8FC7;&#x7A0B;&#x4E2D;&#x7684;&#x5C40;&#x90E8;&#x53D8;&#x91CF;&#xFF0C;&#x4EE5;&#x53CA;&#x8D1F;&#x8D23;&#x51FD;&#x6570;&#x8C03;&#x7528;&#x65F6;&#x7684;&#x5404;&#x79CD;&#x673A;&#x5236;&#x3002;&#x5B83;&#x4ECE;&#x9AD8;&#x5730;&#x5740;&#x5411;&#x4F4E;&#x5730;&#x5740;&#x589E;&#x957F;</li>
<li>Heap&#xFF1A;&#x5806;&#xFF0C;&#x7528;&#x6765;&#x652F;&#x6301;&#x7A0B;&#x5E8F;<strong>&#x8FD0;&#x884C;&#x8FC7;&#x7A0B;&#x4E2D;</strong>&#x5185;&#x5B58;&#x7684;<strong>&#x52A8;&#x6001;&#x5206;&#x914D;</strong>&#xFF0C;&#x6BD4;&#x5982;&#x8BF4;&#x4F60;&#x8981;&#x8BFB;&#x8FDB;&#x6765;&#x4E00;&#x4E2A;&#x5B57;&#x7B26;&#x4E32;&#xFF0C;&#x5728;&#x4F60;&#x5199;&#x7A0B;&#x5E8F;&#x7684;&#x65F6;&#x5019;&#x4F60;&#x4E5F;&#x4E0D;&#x77E5;&#x9053;&#x5B83;&#x7684;&#x957F;&#x5EA6;&#x7A76;&#x7ADF;&#x4E3A;&#x591A;&#x5C11;&#xFF0C;&#x4E8E;&#x662F;&#x4F60;&#x53EA;&#x80FD;&#x5728;&#x8FD0;&#x884C;&#x8FC7;&#x7A0B;&#x4E2D;&#xFF0C;&#x77E5;&#x9053;&#x4E86;&#x5B57;&#x7B26;&#x4E32;&#x7684;&#x957F;&#x5EA6;&#x4E4B;&#x540E;&#xFF0C;&#x518D;&#x5728;&#x5806;&#x4E2D;&#x7ED9;&#x8FD9;&#x4E2A;&#x5B57;&#x7B26;&#x4E32;&#x5206;&#x914D;&#x5185;&#x5B58;</li>
</ul>
<p>&#x5185;&#x5B58;&#x5E03;&#x5C40;&#xFF0C;&#x4E5F;&#x5C31;&#x662F;&#x6307;&#x8FD9;&#x4E9B;&#x6BB5;&#x5404;&#x81EA;&#x6240;&#x653E;&#x7684;&#x4F4D;&#x7F6E;&#x3002;&#x4E00;&#x79CD;&#x5178;&#x578B;&#x7684;&#x5185;&#x5B58;&#x5E03;&#x5C40;&#x5982;&#x4E0B;&#xFF1A;</p>
<div align="center"> <img src="../pics/typical-layout.png" style="zoom:40%;"> </div>

</blockquote>
<h3 id="&#x7F16;&#x5199;&#x94FE;&#x63A5;&#x811A;&#x672C;">&#x7F16;&#x5199;&#x94FE;&#x63A5;&#x811A;&#x672C;</h3>
<p>&#x6211;&#x4EEC;&#x4F7F;&#x7528;<strong>&#x94FE;&#x63A5;&#x811A;&#x672C;&#xFF08;Linker Script&#xFF09;</strong>&#x6765;&#x6307;&#x5B9A;&#x7A0B;&#x5E8F;&#x7684;&#x5185;&#x5B58;&#x5E03;&#x5C40;&#x3002;&#x521B;&#x5EFA;&#x6587;&#x4EF6; <code>os/src/linker.ld</code>&#xFF1A;</p>
<p></p><p class="code-label">os/src/linker.ld</p><p></p>
<pre><code class="lang-cpp"><span class="hljs-comment">/* &#x6709;&#x5173; Linker Script &#x53EF;&#x4EE5;&#x53C2;&#x8003;&#xFF1A;https://sourceware.org/binutils/docs/ld/Scripts.html */</span>

<span class="hljs-comment">/* &#x76EE;&#x6807;&#x67B6;&#x6784; */</span>
OUTPUT_ARCH(riscv)

<span class="hljs-comment">/* &#x6267;&#x884C;&#x5165;&#x53E3; */</span>
ENTRY(_start)

<span class="hljs-comment">/* &#x6570;&#x636E;&#x5B58;&#x653E;&#x8D77;&#x59CB;&#x5730;&#x5740; */</span>
BASE_ADDRESS = <span class="hljs-number">0x80200000</span>;

SECTIONS
{
    <span class="hljs-comment">/* . &#x8868;&#x793A;&#x5F53;&#x524D;&#x5730;&#x5740;&#xFF08;location counter&#xFF09; */</span>
    . = BASE_ADDRESS;

    <span class="hljs-comment">/* start &#x7B26;&#x53F7;&#x8868;&#x793A;&#x5168;&#x90E8;&#x7684;&#x5F00;&#x59CB;&#x4F4D;&#x7F6E; */</span>
    kernel_start = .;

    text_start = .;

    <span class="hljs-comment">/* .text &#x5B57;&#x6BB5; */</span>
    .text : {
        <span class="hljs-comment">/* &#x628A; entry &#x51FD;&#x6570;&#x653E;&#x5728;&#x6700;&#x524D;&#x9762; */</span>
        *(.text.entry)
        <span class="hljs-comment">/* &#x8981;&#x94FE;&#x63A5;&#x7684;&#x6587;&#x4EF6;&#x7684; .text &#x5B57;&#x6BB5;&#x96C6;&#x4E2D;&#x653E;&#x5728;&#x8FD9;&#x91CC; */</span>
        *(.text .text.*)
    }

    rodata_start = .;

    <span class="hljs-comment">/* .rodata &#x5B57;&#x6BB5; */</span>
    .rodata : {
        <span class="hljs-comment">/* &#x8981;&#x94FE;&#x63A5;&#x7684;&#x6587;&#x4EF6;&#x7684; .rodata &#x5B57;&#x6BB5;&#x96C6;&#x4E2D;&#x653E;&#x5728;&#x8FD9;&#x91CC; */</span>
        *(.rodata .rodata.*)
    }

    data_start = .;

    <span class="hljs-comment">/* .data &#x5B57;&#x6BB5; */</span>
    .data : {
        <span class="hljs-comment">/* &#x8981;&#x94FE;&#x63A5;&#x7684;&#x6587;&#x4EF6;&#x7684; .data &#x5B57;&#x6BB5;&#x96C6;&#x4E2D;&#x653E;&#x5728;&#x8FD9;&#x91CC; */</span>
        *(.data .data.*)
    }

    bss_start = .;

    <span class="hljs-comment">/* .bss &#x5B57;&#x6BB5; */</span>
    .bss : {
        <span class="hljs-comment">/* &#x8981;&#x94FE;&#x63A5;&#x7684;&#x6587;&#x4EF6;&#x7684; .bss &#x5B57;&#x6BB5;&#x96C6;&#x4E2D;&#x653E;&#x5728;&#x8FD9;&#x91CC; */</span>
        *(.sbss .bss .bss.*)
    }

    <span class="hljs-comment">/* &#x7ED3;&#x675F;&#x5730;&#x5740; */</span>
    kernel_end = .;
}
</code></pre>
<p>&#x65F6;&#x81F3;&#x4ECA;&#x65E5;&#x6211;&#x4EEC;&#x5DF2;&#x7ECF;&#x4E0D;&#x592A;&#x53EF;&#x80FD;&#x5C06;&#x6240;&#x6709;&#x4EE3;&#x7801;&#x90FD;&#x5199;&#x5728;&#x4E00;&#x4E2A;&#x6587;&#x4EF6;&#x91CC;&#x9762;&#x3002;&#x5728;&#x7F16;&#x8BD1;&#x8FC7;&#x7A0B;&#x4E2D;&#xFF0C;&#x6211;&#x4EEC;&#x7684;&#x7F16;&#x8BD1;&#x5668;&#x548C;&#x94FE;&#x63A5;&#x5668;&#x5DF2;&#x7ECF;&#x7ED9;&#x6BCF;&#x4E2A;&#x6587;&#x4EF6;&#x90FD;&#x81EA;&#x52A8;&#x751F;&#x6210;&#x4E86;&#x4E00;&#x4E2A;&#x5185;&#x5B58;&#x5E03;&#x5C40;&#x3002;&#x8FD9;&#x91CC;&#xFF0C;&#x6211;&#x4EEC;&#x7684;&#x94FE;&#x63A5;&#x5DE5;&#x5177;&#x6240;&#x8981;&#x505A;&#x7684;&#x662F;&#x6700;&#x7EC8;&#x5C06;&#x5404;&#x4E2A;&#x6587;&#x4EF6;&#x7684;&#x5185;&#x5B58;&#x5E03;&#x5C40;&#x88C5;&#x914D;&#x8D77;&#x6765;&#x751F;&#x6210;&#x6574;&#x4E2A;&#x5185;&#x6838;&#x7684;&#x5185;&#x5B58;&#x5E03;&#x5C40;&#x3002;</p>
<p>&#x6211;&#x4EEC;&#x9996;&#x5148;&#x4F7F;&#x7528; OUTPUT_ARCH &#x6307;&#x5B9A;&#x4E86;&#x67B6;&#x6784;&#xFF0C;&#x968F;&#x540E;&#x4F7F;&#x7528; ENTRY &#x6307;&#x5B9A;&#x4E86;&#x5165;&#x53E3;&#x70B9;&#x4E3A; <code>_start</code> &#x51FD;&#x6570;&#xFF0C;&#x5373;&#x7A0B;&#x5E8F;&#x7B2C;&#x4E00;&#x6761;&#x88AB;&#x6267;&#x884C;&#x7684;&#x6307;&#x4EE4;&#x6240;&#x5728;&#x4E4B;&#x5904;&#x3002;&#x5728;&#x8FD9;&#x4E2A;&#x94FE;&#x63A5;&#x811A;&#x672C;&#x4E2D;&#x6211;&#x4EEC;&#x5E76;&#x672A;&#x770B;&#x5230; <code>_start</code> &#xFF0C;&#x56DE;&#x5FC6;&#x4E0A;&#x4E00;&#x7AE0;&#xFF0C;&#x6211;&#x4EEC;&#x4E3A;&#x4E86;&#x79FB;&#x9664;&#x8FD0;&#x884C;&#x65F6;&#x73AF;&#x5883;&#x4F9D;&#x8D56;&#xFF0C;&#x91CD;&#x5199;&#x4E86;&#x5165;&#x53E3; <code>_start</code> &#x3002;&#x6240;&#x4EE5;&#xFF0C;&#x94FE;&#x63A5;&#x811A;&#x672C;&#x5BA3;&#x5E03;&#x6574;&#x4E2A;&#x7A0B;&#x5E8F;&#x4F1A;&#x4ECE;&#x90A3;&#x91CC;&#x5F00;&#x59CB;&#x8FD0;&#x884C;&#x3002;</p>
<p>&#x94FE;&#x63A5;&#x811A;&#x672C;&#x7684;&#x6574;&#x4F53;&#x5199;&#x5728; <code>SECTION{ }</code> &#x4E2D;&#xFF0C;&#x91CC;&#x9762;&#x6709;&#x591A;&#x4E2A;&#x5F62;&#x5982; <code>output section: { input section list }</code> &#x7684;&#x8BED;&#x53E5;&#xFF0C;&#x6BCF;&#x4E2A;&#x90FD;&#x63CF;&#x8FF0;&#x4E86;&#x6574;&#x4E2A;&#x7A0B;&#x5E8F;&#x5185;&#x5B58;&#x5E03;&#x5C40;&#x4E2D;&#x7684;&#x4E00;&#x4E2A;&#x8F93;&#x51FA;&#x6BB5; output section &#x662F;&#x7531;&#x5404;&#x4E2A;&#x6587;&#x4EF6;&#x4E2D;&#x7684;&#x54EA;&#x4E9B;&#x8F93;&#x5165;&#x6BB5; input section &#x7EC4;&#x6210;&#x7684;&#x3002;</p>
<p>&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x7528; <code>*( )</code> &#x6765;&#x8868;&#x793A;&#x5C06;&#x5404;&#x4E2A;&#x6587;&#x4EF6;&#x4E2D;&#x6240;&#x6709;&#x7B26;&#x5408;&#x62EC;&#x53F7;&#x5185;&#x8981;&#x6C42;&#x7684;&#x8F93;&#x5165;&#x6BB5;&#x653E;&#x5728;&#x5F53;&#x524D;&#x7684;&#x4F4D;&#x7F6E;&#x3002;&#x800C;&#x62EC;&#x53F7;&#x5185;&#xFF0C;&#x4F60;&#x53EF;&#x4EE5;&#x76F4;&#x63A5;&#x4F7F;&#x7528;&#x6BB5;&#x7684;&#x540D;&#x5B57;&#xFF0C;&#x4E5F;&#x53EF;&#x4EE5;&#x5305;&#x542B;&#x901A;&#x914D;&#x7B26; <code>*</code>&#x3002;</p>
<p>&#x5355;&#x72EC;&#x7684;&#x4E00;&#x4E2A; <code>.</code> &#x4E3A;<strong>&#x5F53;&#x524D;&#x5730;&#x5740;&#xFF08;Location Counter&#xFF09;</strong>&#xFF0C;&#x53EF;&#x4EE5;&#x5BF9;&#x5176;&#x8D4B;&#x503C;&#x6765;&#x4ECE;&#x8BBE;&#x7F6E;&#x7684;&#x5730;&#x5740;&#x7EE7;&#x7EED;&#x5411;&#x9AD8;&#x5730;&#x5740;&#x653E;&#x7F6E;&#x5404;&#x4E2A;&#x6BB5;&#x3002;&#x5982;&#x679C;&#x4E0D;&#x8FDB;&#x884C;&#x8D4B;&#x503C;&#x7684;&#x8BDD;&#xFF0C;&#x5219;&#x9ED8;&#x8BA4;&#x5404;&#x4E2A;&#x6BB5;&#x4F1A;&#x7D27;&#x6328;&#x7740;&#x5411;&#x9AD8;&#x5730;&#x5740;&#x653E;&#x7F6E;&#x3002;&#x5C06;&#x4E00;&#x4E2A;&#x7B26;&#x53F7;&#x8D4B;&#x503C;&#x4E3A; <code>.</code> &#x5219;&#x4F1A;&#x8BB0;&#x5F55;&#x4E0B;&#x8FD9;&#x4E2A;&#x7B26;&#x53F7;&#x7684;&#x5730;&#x5740;&#x3002;</p>
<p>&#x5230;&#x8FD9;&#x91CC;&#x6211;&#x4EEC;&#x5927;&#x6982;&#x770B;&#x61C2;&#x4E86;&#x8FD9;&#x4E2A;&#x94FE;&#x63A5;&#x811A;&#x672C;&#x5728;&#x505A;&#x4E9B;&#x4EC0;&#x4E48;&#x4E8B;&#x60C5;&#x3002;&#x9996;&#x5148;&#x662F;&#x4ECE; BASE_ADDRESS &#x5373; 0x80200000 &#x5F00;&#x59CB;&#x5411;&#x4E0B;&#x653E;&#x7F6E;&#x5404;&#x4E2A;&#x6BB5;&#xFF0C;&#x4F9D;&#x6B21;&#x662F; .text&#xFF0C;.rodata&#xFF0C;.data&#xFF0C;.stack &#x548C; .bss&#x3002;&#x540C;&#x65F6;&#x6211;&#x4EEC;&#x8FD8;&#x8BB0;&#x5F55;&#x4E0B;&#x4E86;&#x6BCF;&#x4E2A;&#x6BB5;&#x7684;&#x5F00;&#x5934;&#x548C;&#x7ED3;&#x5C3E;&#x5730;&#x5740;&#xFF0C;&#x5982; .text &#x6BB5;&#x7684;&#x5F00;&#x5934;&#x3001;&#x7ED3;&#x5C3E;&#x5730;&#x5740;&#x5206;&#x522B;&#x5C31;&#x662F;&#x7B26;&#x53F7; stext &#x548C; etext &#x7684;&#x503C;&#xFF0C;&#x6211;&#x4EEC;&#x63A5;&#x4E0B;&#x6765;&#x4F1A;&#x7528;&#x5230;&#x3002;</p>
<blockquote>
<p><strong>[info] &#x4E3A;&#x4EC0;&#x4E48;&#x662F; 0x80200000 </strong></p>
<p><a href="https://github.com/riscv/opensbi" target="_blank">OpenSBI</a>&#xFF08;&#x5982;&#x60F3;&#x8FDB;&#x4E00;&#x6B65;&#x4E86;&#x89E3;&#xFF0C;&#x53EF;&#x53C2;&#x770B;&#x672C;&#x7AE0;&#x7684;<a href="part7.md">&#x91CD;&#x5199;&#x7A0B;&#x5E8F;&#x5165;&#x53E3;&#x70B9;</a>&#x5C0F;&#x8282;&#x76F8;&#x5173;&#x7684;&#x4ECB;&#x7ECD;&#xFF09;&#x5C06;&#x81EA;&#x8EAB;&#x653E;&#x5728; 0x80000000&#xFF0C;&#x5B8C;&#x6210;&#x521D;&#x59CB;&#x5316;&#x540E;&#x4F1A;&#x8DF3;&#x8F6C;&#x5230; 0x80200000&#xFF0C;&#x56E0;&#x6B64; <code>_start</code> &#x5FC5;&#x987B;&#x4F4D;&#x4E8E;&#x8FD9;&#x4E2A;&#x5730;&#x5740;&#x3002;.text &#x4E3A;&#x4EE3;&#x7801;&#x6BB5;&#x6807;&#x8BC6;&#xFF0C;&#x5176;&#x7B2C;&#x4E00;&#x4E2A;&#x653E;&#x7F6E;&#x7684;&#x5C31;&#x662F; <code>_start</code>&#xFF08;&#x5373; <code>.text.entry</code>&#xFF09;&#x3002;</p>
</blockquote>
<p>&#x8FD9;&#x91CC;&#x9762;&#x6709;&#x4E00;&#x4E2A;&#x8F93;&#x5165;&#x6BB5;&#x4E0E;&#x5176;&#x4ED6;&#x7684;&#x4E0D;&#x592A;&#x4E00;&#x6837;&#xFF0C;&#x5373; .text.entry&#xFF0C;&#x4F3C;&#x4E4E;&#x7F16;&#x8BD1;&#x5668;&#x4E0D;&#x4F1A;&#x81EA;&#x52A8;&#x751F;&#x6210;&#x8FD9;&#x6837;&#x540D;&#x5B57;&#x7684;&#x6BB5;&#x3002;&#x4E8B;&#x5B9E;&#x4E0A;&#xFF0C;&#x5B83;&#x662F;&#x6211;&#x4EEC;&#x5728;&#x540E;&#x9762;&#x81EA;&#x5DF1;&#x5B9A;&#x4E49;&#x7684;&#x3002;</p>
<h3 id="&#x4F7F;&#x7528;&#x94FE;&#x63A5;&#x811A;&#x672C;">&#x4F7F;&#x7528;&#x94FE;&#x63A5;&#x811A;&#x672C;</h3>
<p>&#x4E3A;&#x4E86;&#x5728;&#x7F16;&#x8BD1;&#x65F6;&#x4F7F;&#x7528;&#x4E0A;&#x9762;&#x81EA;&#x5B9A;&#x4E49;&#x7684;&#x94FE;&#x63A5;&#x811A;&#x672C;&#xFF0C;&#x6211;&#x4EEC;&#x5728; <code>.cargo/config</code> &#x6587;&#x4EF6;&#x4E2D;&#x52A0;&#x5165;&#x4EE5;&#x4E0B;&#x914D;&#x7F6E;&#xFF1A;</p>
<p></p><p class="code-label">os/.cargo/config</p><p></p>
<pre><code class="lang-toml"># &#x4F7F;&#x7528;&#x6211;&#x4EEC;&#x7684; linker script &#x6765;&#x8FDB;&#x884C;&#x94FE;&#x63A5;
[target.riscv64imac-unknown-none-elf]
rustflags = [
    &quot;-C&quot;, &quot;link-arg=-Tsrc/linker.ld&quot;,
]
</code></pre>
<p>&#x5B83;&#x7684;&#x4F5C;&#x7528;&#x662F;&#x5728;&#x94FE;&#x63A5;&#x65F6;&#x4F20;&#x5165;&#x4E00;&#x4E2A;&#x53C2;&#x6570; <code>-T</code> &#x6765;&#x6307;&#x5B9A;&#x4F7F;&#x7528;&#x54EA;&#x4E2A;&#x94FE;&#x63A5;&#x811A;&#x672C;&#x3002;</p>
<p>&#x6211;&#x4EEC;&#x91CD;&#x65B0;&#x7F16;&#x8BD1;&#x4E00;&#x4E0B;&#xFF0C;&#x7136;&#x540E;&#x518D;&#x6B21;&#x67E5;&#x770B;&#x751F;&#x6210;&#x7684;&#x53EF;&#x6267;&#x884C;&#x6587;&#x4EF6;&#xFF1A;</p>
<p></p><p class="code-label">&#x8FD0;&#x884C;&#x8F93;&#x51FA;</p><p></p>
<pre><code class="lang-bash">$ cargo build
...
    Finished dev [unoptimized + debuginfo] target(s) <span class="hljs-keyword">in</span> 0.23s
$ rust-objdump target/riscv64imac-unknown-none-elf/debug/os -h --arch-name=riscv64

target/riscv64imac-unknown-none-elf/debug/os:    file format ELF64-riscv

Sections:
Idx Name          Size     VMA          Type
  0               00000000 0000000000000000 
  1 .text         0000000c 0000000080200000 TEXT 
  2 .rodata       00000000 000000008020000c TEXT 
  3 .data         00000000 000000008020000c TEXT 
  4 .bss          00000000 000000008020000c BSS
...
$ rust-objdump target/riscv64imac-unknown-none-elf/debug/os <span class="hljs-_">-d</span> --arch-name=riscv64

target/riscv64imac-unknown-none-elf/debug/os:    file format ELF64-riscv

Disassembly of section .text:

0000000080200000 stext:
80200000: 41 11                            addi    sp, sp, -16
80200002: 06 e4                            sd    ra, 8(sp)
80200004: 22 e0                            sd    s0, 0(sp)
80200006: 00 08                            addi    s0, sp, 16
80200008: 09 a0                            j    2
8020000a: 01 a0                            j    0
</code></pre>
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